statsmodels.discrete.count_model.GenericZeroInflated.hessian¶
- GenericZeroInflated.hessian(params)[source]¶
Generic Zero Inflated model Hessian matrix of the loglikelihood
- Parameters:¶
- params : array_like¶
The parameters of the model
- Returns:¶
hess – The Hessian, second derivative of loglikelihood function, evaluated at params
- Return type:¶
ndarray, (k_vars, k_vars)
Notes